With all that ego flying around, big heads are bound to start butting. Check out our list of celebrity feuds, including spars between Madge + Gaga as well as Breezy + Drizzy.
From the topic of baby mama drama to serious social issues, we're counting down Justin Bieber's top 10 lyrics to celebrate his word swag (swag, swag).
Musicians do far more than just perform on 'Saturday Night Live' now. Watch these hilarious videos of the best 'SNL' skits featuring pop stars like Taylor, Rihanna, Bruno + more!